[sgen] Use concurrent mark concurrently with parallel minors

[mono.git] / mono / sgen / sgen-simple-nursery.c

diff --git a/mono/sgen/sgen-simple-nursery.c b/mono/sgen/sgen-simple-nursery.c
index 39d08abcf16027b60b884376a02acbc9a2517ea3..29ab4ed135ddd54d93b74ef707d9bca63e7a6303 100644 (file)
--- a/mono/sgen/sgen-simple-nursery.c
+++ b/mono/sgen/sgen-simple-nursery.c
@@ -19,7 +19,9 @@
 #include "mono/sgen/sgen-protocol.h"
 #include "mono/sgen/sgen-layout-stats.h"
 #include "mono/sgen/sgen-client.h"
+#include "mono/sgen/sgen-workers.h"
 #include "mono/utils/mono-memory-model.h"
+#include "mono/utils/mono-proclib.h"
 
 static inline GCObject*
 alloc_for_promotion (GCVTable vtable, GCObject *obj, size_t objsize, gboolean has_references)
@@ -127,9 +129,24 @@ fill_serial_with_concurrent_major_ops (SgenObjectOperations *ops)
        FILL_MINOR_COLLECTOR_SCAN_OBJECT (ops);
 }
 
+#define SGEN_SIMPLE_PAR_NURSERY
+
+#include "sgen-minor-copy-object.h"
+#include "sgen-minor-scan-object.h"
+
+static void
+fill_parallel_with_concurrent_major_ops (SgenObjectOperations *ops)
+{
+       ops->copy_or_mark_object = SERIAL_COPY_OBJECT;
+       FILL_MINOR_COLLECTOR_SCAN_OBJECT (ops);
+}
+
 void
 sgen_simple_nursery_init (SgenMinorCollector *collector, gboolean parallel)
 {
+       if (mono_cpu_count () <= 1)
+               parallel = FALSE;
+
        collector->is_split = FALSE;
        collector->is_parallel = parallel;
 
@@ -146,6 +163,14 @@ sgen_simple_nursery_init (SgenMinorCollector *collector, gboolean parallel)
        fill_serial_ops (&collector->serial_ops);
        fill_serial_with_concurrent_major_ops (&collector->serial_ops_with_concurrent_major);
        fill_parallel_ops (&collector->parallel_ops);
+       fill_parallel_with_concurrent_major_ops (&collector->parallel_ops_with_concurrent_major);
+
+       /*
+        * The nursery worker context is created first so it will have priority over
+        * concurrent mark and concurrent sweep.
+        */
+       if (parallel)
+               sgen_workers_create_context (GENERATION_NURSERY, mono_cpu_count ());
 }